--- parser3/src/classes/Attic/dom.C 2001/09/11 08:39:04 1.14 +++ parser3/src/classes/Attic/dom.C 2001/09/26 10:32:25 1.35 @@ -2,35 +2,32 @@ Parser: @b dom parser class. Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) - Author: Alexander Petrosyan (http://design.ru/paf) -*/ -static const char *RCSId="$Id: dom.C,v 1.14 2001/09/11 08:39:04 parser Exp $"; - -#if _MSC_VER -# pragma warning(disable:4291) // disable warning -// "no matching operator delete found; memory will not be freed if initialization throws an exception -#endif + $Id: dom.C,v 1.35 2001/09/26 10:32:25 parser Exp $ +*/ #include "classes.h" +#ifdef XML + #include "pa_request.h" #include "pa_vdom.h" +#include "pa_xslt_stylesheet_manager.h" +#include "pa_stylesheet_connection.h" #include "pa_vfile.h" +#include "dnode.h" +#include #include #include -#include #include #include -//#include -#include -#include -#include #include #include #include #include -//#include +#include +#include +#include // defines @@ -47,7 +44,7 @@ static const char *RCSId="$Id: dom.C,v 1 // class -class MDom : public Methoded { +class MDom : public MDnode { public: // VStateless_class Value *create_new_value(Pool& pool) { return new(pool) VDom(pool); } @@ -60,63 +57,17 @@ public: // Methoded // methods -static void _load(Request& r, const String& method_name, MethodParams *params) { - Pool& pool=r.pool(); - VDom& vDom=*static_cast(r.self); - - // filespec - const String& filename=params->as_string(0, "file name must not be code"); - const char *filespec=r.absolute(filename).cstr(String::UL_FILE_NAME); - - XSLTInputSource inputSource(filespec); - XalanParsedSource* parsedSource; - int error=vDom.get_transformer().parseSource(inputSource, parsedSource); - - if(error) - PTHROW(0, 0, - &filename, - vDom.get_transformer().getLastError()); - - // replace any previous node value - vDom.set_parsed_source(*parsedSource); -} - -const char *strX(const XalanDOMString& s) { - return XMLString::transcode(s.c_str()); -} - -static void _throw(Pool& pool, const String *source, const XSLException& e) { - if(e.getURI().empty()) - PTHROW(0, 0, - source, - "%s (%s)", - strX(e.getMessage()), // message for exception - strX(e.getType()) // type of exception - ); - else - PTHROW(0, 0, - source, - "%s (%s) %s(%d:%d)'", - strX(e.getMessage()), // message for exception - strX(e.getType()), // type of exception - - strX(e.getURI()), // URI for the associated document, if any - e.getLineNumber(), // line number, or -1 if unknown - e.getColumnNumber() // column number, or -1 if unknown - ); -} - -class ParserStringOutputStream: public XalanOutputStream { +class ParserStringXalanOutputStream: public XalanOutputStream { public: - explicit ParserStringOutputStream(String& astring) : fstring(astring) {} + explicit ParserStringXalanOutputStream(String& astring) : fstring(astring) {} protected: // XalanOutputStream virtual void writeData(const char *theBuffer, unsigned long theBufferLength) { char *copy=(char *)fstring.malloc((size_t)theBufferLength); memcpy(copy, theBuffer, (size_t)theBufferLength); - fstring.APPEND_CLEAN(copy, (size_t)theBufferLength, "dom", -1); + fstring.APPEND_CLEAN(copy, (size_t)theBufferLength, "dom", 0); } virtual void doFlush() {} @@ -127,41 +78,48 @@ private: }; - -FormatterListener *create_optioned_listener(Pool& pool, - const String& method_name, MethodParams *params, int index, - Writer& writer) { +static void create_optioned_listener( + const char *& content_type, const char *& charset, FormatterListener *& listener, + Pool& pool, + const String& method_name, MethodParams *params, int index, Writer& writer) { + // default encoding from pool + const String *scharset=&pool.get_charset(); const String *method=0; XalanDOMString xalan_encoding; - Value& voptions=params->as_no_junction(index, "options must not be code"); - if(voptions.is_defined()) { - if(Hash *options=voptions.get_hash()) { - // $.method[xml|html|text] - method=&static_cast(options->get(*new(pool) - String(pool, DOM_OUTPUT_METHOD_OPTION_NAME)))->as_string(); - - // $.encoding[windows-1251|...] - if(Value *vencoding=static_cast(options->get(*new(pool) - String(pool, DOM_OUTPUT_ENCODING_OPTION_NAME)))) { - const char *cstr=vencoding->as_string().cstr(); - xalan_encoding.append(cstr, strlen(cstr)); - } - } else - PTHROW(0, 0, - &method_name, - "params must be hash"); + if(params->size()>index) { + Value& voptions=params->as_no_junction(index, "options must not be code"); + if(voptions.is_defined()) { + if(Hash *options=voptions.get_hash()) { + // $.method[xml|html|text] + if(Value *vmethod=static_cast(options->get(*new(pool) + String(pool, DOM_OUTPUT_METHOD_OPTION_NAME)))) + method=&vmethod->as_string(); + + // $.encoding[windows-1251|...] + if(Value *vencoding=static_cast(options->get(*new(pool) + String(pool, DOM_OUTPUT_ENCODING_OPTION_NAME)))) { + scharset=&vencoding->as_string(); + } + } else + PTHROW(0, 0, + &method_name, + "options must be hash"); + } } - if(!method/*default='xml'*/ || *method == DOM_OUTPUT_METHOD_OPTION_VALUE_XML) - return new FormatterToXML(writer, + xalan_encoding.append(charset=scharset->cstr()); + if(!method/*default='xml'*/ || *method == DOM_OUTPUT_METHOD_OPTION_VALUE_XML) { + content_type="text/xml"; + listener=new FormatterToXML(writer, XalanDOMString(), // version true, // doIndent DOM_OUTPUT_DEFAULT_INDENT, // indent xalan_encoding // encoding ); - else if(*method == DOM_OUTPUT_METHOD_OPTION_VALUE_HTML) - return new FormatterToHTML(writer, + } else if(*method == DOM_OUTPUT_METHOD_OPTION_VALUE_HTML) { + content_type="text/html"; + listener=new FormatterToHTML(writer, xalan_encoding, // encoding XalanDOMString(), // mediaType XalanDOMString(), // doctypeSystem; String to be printed at the top of the document @@ -169,11 +127,12 @@ FormatterListener *create_optioned_liste true, // doIndent DOM_OUTPUT_DEFAULT_INDENT // indent ); - else if(*method == DOM_OUTPUT_METHOD_OPTION_VALUE_TEXT) - return new FormatterToText(writer, + } else if(*method == DOM_OUTPUT_METHOD_OPTION_VALUE_TEXT) { + content_type="text/plain"; + listener=new FormatterToText(writer, xalan_encoding // encoding ); - else + } else PTHROW(0, 0, method, DOM_OUTPUT_METHOD_OPTION_NAME " option is invalid; valid methods are: " @@ -182,126 +141,187 @@ FormatterListener *create_optioned_liste "'" DOM_OUTPUT_METHOD_OPTION_VALUE_TEXT "'"); // never reached - return 0; // calm, compiler } static void _save(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); - VDom& vDom=*static_cast(r.self); + VDnode& vnode=*static_cast(r.self); // filespec - const String& filename=params->as_string(1, "file name must not be code"); - const char *filespec=r.absolute(filename).cstr(String::UL_FILE_NAME); + const String& file_name=params->as_string(0, "file name must not be code"); + const char *filespec=r.absolute(file_name).cstr(String::UL_FILE_SPEC); - // document - XalanDocument& document=vDom.get_document(pool, &method_name); + // node + XalanNode& node=vnode.get_node(pool, &method_name); try { XalanFileOutputStream stream(XalanDOMString(filespec, strlen(filespec))); XalanOutputStreamPrintWriter writer(stream); - FormatterListener& formatterListener=*create_optioned_listener(pool, method_name, params, 0, - writer); - FormatterTreeWalker treeWalker(formatterListener); - treeWalker.traverse(&document); // Walk the document and produce the XML... + const char *content_type, *charset; + FormatterListener *formatterListener; + create_optioned_listener(content_type, charset, formatterListener, + pool, method_name, params, 1, writer); + FormatterTreeWalker treeWalker(*formatterListener); + treeWalker.traverse(&node); // Walk that node and produce the XML... } catch(const XSLException& e) { - _throw(pool, &method_name, e); + r._throw(&method_name, e); } } static void _string(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); - VDom& vDom=*static_cast(r.self); + VDnode& vnode=*static_cast(r.self); - // document - XalanDocument& document=vDom.get_document(pool, &method_name); + // node + XalanNode& node=vnode.get_node(pool, &method_name); try { String parserString=*new(pool) String(pool); - ParserStringOutputStream stream(parserString); + ParserStringXalanOutputStream stream(parserString); XalanOutputStreamPrintWriter writer(stream); - FormatterListener& formatterListener=*create_optioned_listener(pool, method_name, params, 0, - writer); - FormatterTreeWalker treeWalker(formatterListener); - treeWalker.traverse(&document); // Walk the document and produce the XML... + const char *content_type, *charset; + FormatterListener *formatterListener; + create_optioned_listener(content_type, charset, formatterListener, + pool, method_name, params, 0, writer); + FormatterTreeWalker treeWalker(*formatterListener); + treeWalker.traverse(&node); // Walk that node and produce the XML... // write out result r.write_no_lang(parserString); } catch(const XSLException& e) { - _throw(pool, &method_name, e); + r._throw(&method_name, e); } } static void _file(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); - VDom& vDom=*static_cast(r.self); + VDnode& vnode=*static_cast(r.self); - // document - XalanDocument& document=vDom.get_document(pool, &method_name); + // node + XalanNode& node=vnode.get_node(pool, &method_name); try { String& parserString=*new(pool) String(pool); - ParserStringOutputStream stream(parserString); + ParserStringXalanOutputStream stream(parserString); XalanOutputStreamPrintWriter writer(stream); - FormatterListener& formatterListener=*create_optioned_listener(pool, method_name, params, 0, - writer); - FormatterTreeWalker treeWalker(formatterListener); - treeWalker.traverse(&document); // Walk the document and produce the XML... + const char *content_type, *charset; + FormatterListener *formatterListener; + create_optioned_listener(content_type, charset, formatterListener, + pool, method_name, params, 0, writer); + FormatterTreeWalker treeWalker(*formatterListener); + treeWalker.traverse(&node); // Walk that node and produce the XML... // write out result VFile& vfile=*new(pool) VFile(pool); const char *cstr=parserString.cstr(); - vfile.set(false/*tainted*/, cstr, strlen(cstr), 0/*filename*/, new(pool) String(pool, "text/xml")); + String *scontent_type=new(pool) String(pool, content_type); + Value *vcontent_type; + if(charset) { + VHash *vhcontent_type=new(pool) VHash(pool); + vhcontent_type->hash().put(*value_name, new(pool) VString(*scontent_type)); + String *scharset=new(pool) String(pool, charset); + vhcontent_type->hash().put(*new(pool) String(pool, "charset"), new(pool) VString(*scharset)); + vcontent_type=vhcontent_type; + } else + vcontent_type=new(pool) VString(*scontent_type); + vfile.set(false/*tainted*/, cstr, strlen(cstr), 0/*file_name*/, vcontent_type); r.write_no_lang(vfile); } catch(const XSLException& e) { - _throw(pool, &method_name, e); + r._throw(&method_name, e); } } +static void _set(Request& r, const String& method_name, MethodParams *params) { + Pool& pool=r.pool(); + VDom& vdom=*static_cast(r.self); + + Value& vxml=params->as_junction(0, "xml must be code"); + Temp_lang temp_lang(r, String::UL_XML); + const String& xml=r.process(vxml).as_string(); + + std::istrstream stream(xml.cstr()); + const XalanParsedSource* parsedSource; + int error=vdom.transformer().parseSource(&stream, parsedSource); + + if(error) + PTHROW(0, 0, + &method_name, + vdom.transformer().getLastError()); + + // replace any previous parsed source + vdom.set_parsed_source(*parsedSource); +} + +static void _load(Request& r, const String& method_name, MethodParams *params) { + Pool& pool=r.pool(); + VDom& vdom=*static_cast(r.self); + + // filespec + const String& file_name=params->as_string(0, "file name must not be code"); + const char *filespec=r.absolute(file_name).cstr(String::UL_FILE_SPEC); + + const XalanParsedSource* parsedSource; + int error=vdom.transformer().parseSource(filespec, parsedSource); + + if(error) + PTHROW(0, 0, + &file_name, + vdom.transformer().getLastError()); + + // replace any previous parsed source + vdom.set_parsed_source(*parsedSource); +} static void add_xslt_param(const Hash::Key& aattribute, Hash::Val *ameaning, - void *info) { + void *info) { XalanTransformer& transformer=*static_cast(info); const char *attribute_cstr=aattribute.cstr(); const char *meaning_cstr=static_cast(ameaning)->as_string().cstr(); transformer.setStylesheetParam( - XalanDOMString(attribute_cstr, strlen(attribute_cstr)), - XalanDOMString(meaning_cstr, strlen(meaning_cstr))); + XalanDOMString(attribute_cstr), + XalanDOMString(meaning_cstr)); } static void _xslt(Request& r, const String& method_name, MethodParams *params) { Pool& pool=r.pool(); - VDom& vDom=*static_cast(r.self); + VDom& vdom=*static_cast(r.self); // params if(params->size()>1) { - Value& vparams=params->as_no_junction(1, "params must not be code"); + Value& vparams=params->as_no_junction(1, "transform parameters parameter must not be code"); if(vparams.is_defined()) if(Hash *params=vparams.get_hash()) - params->for_each(add_xslt_param, &vDom.get_transformer()); + params->for_each(add_xslt_param, &vdom.transformer()); else PTHROW(0, 0, &method_name, - "params must be hash"); + "transform parameters parameter must be hash"); } // source - XalanParsedSource &parsed_source=vDom.get_parsed_source(pool, &method_name); + const XalanParsedSource &parsed_source=vdom.get_parsed_source(pool, &method_name); // stylesheet - const String& stylesheet_filename=params->as_string(0, "file name must not be code"); - const char *stylesheet_filespec=r.absolute(stylesheet_filename).cstr(String::UL_FILE_NAME); + const String& stylesheet_file_name=params->as_string(0, "file name must not be code"); + const String& stylesheet_filespec=r.absolute(stylesheet_file_name); + //_asm int 3; + Stylesheet_connection& connection=XSLT_stylesheet_manager->get_connection(stylesheet_filespec); // target - XalanDocument* target=vDom.get_parser_liaison().createDocument(); + XalanDocument* target=vdom.parser_liaison().createDocument(); XSLTResultTarget domResultTarget(target); // transform - int error=vDom.get_transformer().transform(parsed_source, stylesheet_filespec, domResultTarget); + int error=vdom.transformer().transform( + parsed_source, + &connection.stylesheet(), + domResultTarget); + connection.close(); if(error) PTHROW(0, 0, - &stylesheet_filename, - vDom.get_transformer().getLastError()); + &stylesheet_file_name, + vdom.transformer().getLastError()); // write out result VDom& result=*new(pool) VDom(pool); @@ -311,23 +331,29 @@ static void _xslt(Request& r, const Stri // constructor -MDom::MDom(Pool& apool) : Methoded(apool) { +MDom::MDom(Pool& apool) : MDnode(apool) { set_name(*NEW String(pool(), DOM_CLASS_NAME)); - // ^dom::load[some.xml] - add_native_method("load", Method::CT_DYNAMIC, _load, 1, 1); - - // ^dom.save[options hash;some.xml] - add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2); + // ^dom.save[some.xml] + // ^dom.save[some.xml;options hash] + add_native_method("save", Method::CT_DYNAMIC, _save, 1, 2); + // ^dom.string[] // ^dom.string[options hash] - add_native_method("string", Method::CT_DYNAMIC, _string, 1, 1); + add_native_method("string", Method::CT_DYNAMIC, _string, 0, 1); + // ^dom.file[] file with "" // ^dom.file[options hash] file with "" - add_native_method("file", Method::CT_DYNAMIC, _file, 1, 1); + add_native_method("file", Method::CT_DYNAMIC, _file, 0, 1); - // ^dom.xslt[stylesheet filename] - // ^dom.xslt[stylesheet filename;params hash] + // ^dom::set[xml] + add_native_method("set", Method::CT_DYNAMIC, _set, 1, 1); + + // ^dom::load[some.xml] + add_native_method("load", Method::CT_DYNAMIC, _load, 1, 1); + + // ^dom.xslt[stylesheet file_name] + // ^dom.xslt[stylesheet file_name;params hash] add_native_method("xslt", Method::CT_DYNAMIC, _xslt, 1, 2); } @@ -337,11 +363,14 @@ Methoded *Dom_class; // creator -Methoded *MDom_create(Pool& pool) { - // Use the static initializers to initialize the Xalan-C++ and Xerces-C++ platforms. - // You must initialize Xerces-C++ once per process - XMLPlatformUtils::Initialize(); - XalanTransformer::initialize(); +#endif - return Dom_class=new(pool) MDom(pool); +Methoded *MDom_create(Pool& pool) { + return +#ifdef XML + Dom_class=new(pool) MDom(pool); +#else + 0 +#endif + ; }